This style of safety eyewear has 5-position ratchet plus 4-position telescoping temples for superior fit. The soft, non-slip rubber nosepiece offers long wear comfort. All lenses are hard coated. All lenses provide 99.9% UVA and UVB protection. Ventilation channel between lens and frame offer excellent worker all-day comfort. Complies with ANSI Z87.1-1989 and CSA Z94.3-1992 Standards. Sold by the pair.